Simple question about variables

[kuwalda]

So I have had this question for a while and am a little ashamed to ask it, but still - if I store something on variable, for example:

X = 2 + 2

Then when after using this variable X ,do it make out this variable by doing what is after = mark OR X is already assumed to be 4 and whenever using it, it will return this 4, because system figured this out 1 time and won`t check again.

Don`t get me wrong - we all know that 2+2=4 ,but my question is about that, if this value is calculated only 1 time or just replaces this action with letter X?

Result is = X // Result is = 4

Result is = X // Result is 2+2 (system calculates, won`t show this to user) // Result is = 4

I really hope you guys understanded my point.

[Arnold-1]

X = 2 + 2 means X = 4

It's actually the only way to calculate numbers, we don't have functions for that.

[xXMADEXx]

X = 2 + 2 means X = 4

It's actually the only way to calculate numbers, we don't have functions for that.

That's not really what he was asking..

The variable is assigned, when the variable is assigned. I had this question to for a while but decided to put it to a test.

[Den.]

I think once the calculation 2+2 is done, the result (4) is stored in memory under 'x'. If you access x afterwards, its value will be fetched from memory regardless of what calculation produced its result.

Example:

  
function add(left, right) 
    outputChatBox("Adding") 
    return left[1] + right[1] 
end 
addCommandHandler('test1', 
function() 
    local t1 = {1} 
    local t2 = {2} 
    setmetatable(t1, {__add = add}) 
    local x = t1 + t2  
    outputChatBox("Result1: "..tostring(x)) 
    outputChatBox("Result2: "..tostring(x)) 
  
end)